I could brake you could brake he could brake we could brake you could brake they could brake
Forma com V-ing
I could be braking you could be braking he could be braking we could be braking you could be braking they could be braking
Perfeito
I could have braked you could have braked he could have braked we could have braked you could have braked they could have braked
Perfeito com V-ing
I could have been braking you could have been braking he could have been braking we could have been braking you could have been braking they could have been braking
Negação
Forma simple
I couldn't brake you couldn't brake he couldn't brake we couldn't brake you couldn't brake they couldn't brake
Forma com V-ing
I couldn't be braking you couldn't be braking he couldn't be braking we couldn't be braking you couldn't be braking they couldn't be braking
Perfeito
I couldn't have braked you couldn't have braked he couldn't have braked we couldn't have braked you couldn't have braked they couldn't have braked
Perfeito com V-ing
I couldn't have been braking you couldn't have been braking he couldn't have been braking we couldn't have been braking you couldn't have been braking they couldn't have been braking
Forma interrogativa
Forma simple
could I brake? could you brake? could he brake? could we brake? could you brake? could they brake?
Forma com V-ing
could I be braking? could you be braking? could he be braking? could we be braking? could you be braking? could they be braking?
Perfeito
could I have braked? could you have braked? could he have braked? could we have braked? could you have braked? could they have braked?
Perfeito com V-ing
could I have been braking? could you have been braking? could he have been braking? could we have been braking? could you have been braking? could they have been braking?
Forma interro-Negação
Forma simple
couldn't I brake? couldn't you brake? couldn't he brake? couldn't we brake? couldn't you brake? couldn't they brake?
Forma com V-ing
couldn't I be braking? couldn't you be braking? couldn't he be braking? couldn't we be braking? couldn't you be braking? couldn't they be braking?
Perfeito
couldn't I have braked? couldn't you have braked? couldn't he have braked? couldn't we have braked? couldn't you have braked? couldn't they have braked?
Perfeito com V-ing
couldn't I have been braking? couldn't you have been braking? couldn't he have been braking? couldn't we have been braking? couldn't you have been braking? couldn't they have been braking?